Popping Noise When Engine Is Shut Off?

Normal for mine to pop for a minute or two at the most, if not longer. It is related to thermal expansion, which occurs as the temperature rises. When you switch it off, metal pieces begin to contract, which is why you hear popping noises when you turn it back on.

Why does my car make popping noises after I turn it off?

It has the sound of a powerful electric shock. Your popping and cracking is most likely caused by the cooling down of the engine and catalytic converters. If the coolant level is low, the coolant recovery tank might also generate a great deal of noise.

Why does my exhaust pop after I turn it off?

When the engine is turned off, the exhaust system is intended to remove pressure from the system. If you hear cracking noises coming from your exhaust system, it’s an indication that it needs to be serviced or replaced if it’s not operating correctly.

Leave a Reply

Your email address will not be published. Required fields are marked *